Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a guard period associated with switching from a first communication mode to a second communication mode. The UE may be operating in a half-duplex frequency division duplexing mode of operation. The guard period may be determined based at least in part on at least one of: a number of phased locked loops to be used for the first communication mode and the second communication mode, and a particular subcarrier spacing associated with the UE. The UE may switch from the first communication mode to the second communication mode based at least in part on the guard period. Numerous other aspects are provided.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The method of claim 1, wherein the UE is to use a single PLL for both the first communication mode and the second communication mode.
3. The method of claim 1, wherein the UE is to use a first PLL for the first communication mode and a second PLL for the second communication mode.
5. The method of claim 1, further comprising: providing an indication that the UE supports operation in the half-duplex FDD mode of operation.
6. The method of claim 1, wherein the guard period is a function of the particular subcarrier spacing over a fixed time duration.
7. The method of claim 1, wherein the particular subcarrier spacing is a subcarrier spacing associated with receiving a downlink communication or is a subcarrier spacing associated with transmitting an uplink communication.
8. The method of claim 1, wherein the particular subcarrier spacing is a fixed reference subcarrier spacing.
9. The method of claim 1, wherein the particular subcarrier spacing is based at least in part on the first communication mode being downlink reception and the second communication mode being uplink transmission.
10. The method of claim 1, wherein the particular subcarrier spacing is based at least in part on the first communication mode being uplink transmission and the second communication mode being downlink reception.
11. The method of claim 1, wherein, when the first communication mode is downlink reception and the second communication mode is uplink transmission, the guard period is shorter than a guard period associated with a switch from the second communication mode to the first communication mode.
12. The method of claim 1, wherein, when the first communication mode is uplink transmission and the second communication mode is downlink reception, the guard period is longer than a guard period associated with a switch from the second communication mode to the first communication mode.
14. The method of claim 1, wherein the guard period is a function of a numerology associated with the first communication mode or the second communication mode.
18. The method of claim 15, wherein the potential collision is between the guard period and a pre-scheduled or pre-configured resource associated with the uplink communication.
21. The method of claim 15, wherein the potential collision is between a downlink communication and at least one of the uplink communication or the guard period.
24. The method of claim 15, wherein the collision rule indicates that the UE is to manage the potential collision based at least in part on a configuration of the UE.
33. The base station of claim 31, wherein the guard period is a function of the particular subcarrier spacing over a fixed time duration.
34. The base station of claim 31, wherein the particular subcarrier spacing is a fixed reference subcarrier spacing.
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October 23, 2020
May 30, 2023
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